/*------------------底部============*/
.bottom>div:first-child{
    border: 1px solid blue;

}
.bottom>div:nth-child(2){
    display: flex;
    justify-content: center;
}

.bottom> div:nth-child(2)>div{
    width: 1100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.bottom>div:nth-child(2)>div>div:nth-child(2){
    display: flex;
}
/*设置行高*/
.xz{
    line-height: 35px;
}
/*.bottom>div:nth-child(2)>div>div:nth-child(2)>div{

}*/
.xq{
    margin: 0 30px;
}
/*设置图片背景颜色*/
.bottom>div:nth-child(2)>div>div:nth-child(2)>div>img:nth-child(1):hover{
    content: url("../img/er_12_e2gr.png");
}
.bottom>div:nth-child(2)>div>div:nth-child(2)>div>img:nth-child(2):hover{
    content: url("../img/er_12_e2gr.png");
}
.bottom>div:nth-child(2)>div>div:nth-child(2)>div>img:nth-child(3):hover{
    content: url("../img/er_12_e2gr.png");
}
.bottom>div:nth-child(2)>div>div:nth-child(2)>div>img:nth-child(4):hover{
    content: url("../img/er_12_e2gr.png");
}
